Xu San's younger brother is open-minded, ruffian and full of gangster style.I like to teach babies some “strange” things.He looks very unreliable, but he is actually smooth and sophisticated in his dealings with others.An experienced driver, he likes sailor uniforms and is flexible in his work.On the surface, he appears to be a rough guy who acts casually, but in reality, he is a sophisticated person.Together with Xu San, they are the solid backing of Zhang Chulan and Feng Baobao.